1 Rheumatology Department, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK.
2 Rheumatology Department, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK. Electronic address: zoe.syrimi@liverpoolft.nhs.uk.
3 Rheumatology Department, Aintree University Hospital, Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK; Faculty of Health, Social Care and Medicine, Edge Hill University, Ormskirk, UK.